Telephone accessory



FIG. 1 is a front, bottom, and right side perspective view showing our new design for a telephone accessory, with broken line matter for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a rear elevation view of the telephone accessory according to FIG. 1;

FIG. 3 is a left side elevation view of the telephone accessory according to FIG. 1; and,

FIG. 4 is a top plan view of the telephone accessory according to FIG. 1, with broken line matter for illustrative purposes only and forming no part of the claimed design. 

We claim the ornamental design for a telephone accessory, as shown and described. 